Display screen with a transitional graphical user interface



FIG. 1 is the first image in a sequence for a display screen with atransitional graphical user interface showing my new design;

FIG. 2 is the second image thereof; and,

FIG. 3 is the third image thereof.

The features shown in broken lines in the drawings depict environmentalsubject matter only and form no part of the claimed design. Thedashed-dotted lines denote the boundary of the claim and form no part ofthe claimed design.

The subject matter in this patent includes a process or period in whichan image changes into another image. this process or period forms nopart of the claimed design.

CLAIM The ornamental design for a display screen with a transitionalgraphical user interface, as shown and described.